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turbo lm7 foxbody swap

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Old 12-30-2012, 09:01 PM
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Default turbo lm7 foxbody swap

I figured I would start a thread on my build. my last setup was a cammed 5.0 with the ebay gt45 turbo ran good but a valve guide messed up and ruined the valve and I have now decided to go the ls route over fixing the 5.0. its a slow build but im working on the smoothing the engine bay and getting rid of any rust in the engine bay before i put the new kmember in. I plan on running the brutespeed forced induction cam in an lm7 with my gt45 turbo and th400 trans. still in search of a decent priced junkyard lm7 in Illinois please let me know. heres some pictures of my process










mustang alternator mounted on lm7 alternator bracket
Old 12-30-2012, 09:05 PM
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Nice! Looking forward to the progress. Flux core wire ftw! Why not use a ls alternator?
Old 12-30-2012, 09:12 PM
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Originally Posted by stangtrader
Nice! Looking forward to the progress. Flux core wire ftw! Why not use a ls alternator?
I do not plan on using the ls alternator because i will not be using a factory ls engine harness and my alternator connectors are tied into the chassis harness not the 5.0 engine harness that i removed so it is still on the car. im hoping i shouldn't have to change anything to get it to work. one less thing to have to modify and worry about
Old 01-19-2013, 10:25 PM
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ordered some tires the other day cuz I found i good price on them, well see how they work. also picked up a 2002 5.3 last night. unloaded it after work motor seems to be in pretty good shape. guna order microsquirt in a few weeks and try firing it on a stand before it goes in the car.


315/35/17 nt05r



power steering pump removed and mustang alternator mounted
Old 01-20-2013, 06:50 PM
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started picking apart the harness today to get the sensor connectors and pigtails I needed out of it.

my dad checking out my alternator modification to fit the ls bracket. still need to work on it but its pretty close
Old 01-20-2013, 08:14 PM
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Looking good. Im also in the process of a LM7 turbo swap. Keep the pics coming
Old 01-20-2013, 08:30 PM
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sub'd
Old 02-10-2013, 11:26 PM
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havent done an update in awhile. got some things done starter is on valve covers are painted (FORD BLUE just for laughs), intake gasket was replaced manifolds are flipped and bolted up, ecu and injectors should be here tomorrow so hoping to fire it up sometime this week on the stand. I am going to keep this build thread picture heavy as you can see since their are alot of threads out their lacking pictures



modifed thermostat to point mostly forward instead of to the side

upr ls swap solid motor mounts

you can still see plenty of FORD BLUE under the coil packs



just showing most of the wires that are waiting to be hooked up to microsquirt, not too many

steam vent

alternator bracket. just gota paint it tommorow
Old 02-15-2013, 09:54 PM
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finally got microsquirt. almost done wiring it. I ran out of heatshrink tonight so i just stopped and twisted the ecu grounds to a ground so i could download the firware and test the sensors. all thats left is mounting and wiring the map sensor, finishing the power wires for the coil packs and injectors to the fusebox, and putting everything in wire loom. hoping to fire the motor on the stand this weekend


Old 02-16-2013, 02:35 AM
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dependent on what k member you are using you may end up having hood issues with the altenator bracket. Maybe. I used a stock upr 5.0 k member with custom motor mounts and made the same type bracket only reversed on the inside and my alt barely hits the hood with a 3 in cowl.
Old 02-16-2013, 06:59 AM
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Originally Posted by 87lsttop
dependent on what k member you are using you may end up having hood issues with the altenator bracket. Maybe. I used a stock upr 5.0 k member with custom motor mounts and made the same type bracket only reversed on the inside and my alt barely hits the hood with a 3 in cowl.
Thanks for the tip. I had thought of that because I kno the truck intake doesn't clear the stick hood. I was planning on a 3 or 4in cowl hood. I geuss well see how it looks when I get it in the car
Old 02-16-2013, 05:06 PM
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Really cool...

I'm also going Microsquirt on my junkyard LM7 in a fox..
Old 02-16-2013, 05:09 PM
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Are you using one of Denmah's tunes #80lb inj to get it started?
Old 02-16-2013, 05:10 PM
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Originally Posted by superbean
Really cool...

I'm also going Microsquirt on my junkyard LM7 in a fox..
Is that supposed to be sarcasm...? Lol if not then cool start a build thread soon I can't wait to get line done
Old 02-16-2013, 05:11 PM
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Originally Posted by superbean
Are you using one of Denmah's tunes #80lb inj to get it started?
Yes sir
Old 02-16-2013, 05:54 PM
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Very nice. I like the alternator modification. I am hoping my friend can help me integrate the two harnesses into one. Thankfully he is a wiring guru!
Old 02-16-2013, 07:48 PM
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the wiring is not as hard as most think. The biggest thing is taking your time and not removing wires that you need. For the stock ford sensors I drilled the block off plate at the top of the oil pan on the drivers side for the turbo and the ford oil pressure sender. For the temp sender I turned it down to the ls threads. m12 x 1.75 if memory serves correctly and put it in the passenger head in the back.
Old 02-16-2013, 08:23 PM
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I am actually using the fbody gauges, so I should be able to use factory ls sending units.
Old 02-16-2013, 08:32 PM
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Originally Posted by thatredgt
Is that supposed to be sarcasm...? Lol if not then cool start a build thread soon I can't wait to get line done
No sarcasm! Although a proofreading does make it look like sarcasam on my part, sorry lol.

Any info you want to provide about the microsquirt will prove to be helpful!
Old 02-17-2013, 01:16 PM
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Originally Posted by superbean
No sarcasm! Although a proofreading does make it look like sarcasam on my part, sorry lol.

Any info you want to provide about the microsquirt will prove to be helpful!
microsquirt wasnt hard to hook up at all. I was a little nervous about doing it but now that its done it isnt hard at all. just remember the 3 resistors you have to install then its basically just following denmahs write up, i also used the microsquirt3 external wiring diagram, that helped alot.


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